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<td class="classHeaderTableLabel">Package</td><td><a onclick="javascript:loadClassListFrame('class-list.html')" href="package-detail.html">com.suckatmath.detector</a></td>
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<td class="classHeaderTableLabel">Class</td><td class="classSignature">public class ObjectTracker</td>
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<td class="classHeaderTableLabel">Inheritance</td><td class="inheritanceList">ObjectTracker <img class="inheritArrow" alt="Inheritance" title="Inheritance" src="../../../images/inherit-arrow.gif"> flash.events.EventDispatcher</td>
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<p></p>
  Uses a detector to find and track objects in BitmapData.  Does so by remembering where the object was last found, and searching only
  within a small window around that area.  Detections happen at intervals, and at each either a TrackerEvent.FOUND or TrackerEvent.LOST is
  dispatched.
  
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<span class="classHeaderTableLabel">See also</span>
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<a href="TrackerEvent.html" target="">TrackerEvent</a>
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<div class="summaryTableTitle">Public Properties</div>
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<th>&nbsp;</th><th colspan="2">Property</th><th class="summaryTableOwnerCol">Defined&nbsp;by</th>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#detector">detector</a> : <a href="../detector/Detector.html">Detector</a>
<div class="summaryTableDescription">
   Detector to use to find objects
   </div>
</td><td class="summaryTableOwnerCol">ObjectTracker</td>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a class="signatureLink" href="#foundRect">foundRect</a> : Rectangle<div class="summaryTableDescription">
   Rectangle where the last object was found
   </div>
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<a class="signatureLink" href="#ObjectTracker()">ObjectTracker</a>(d:<a href="Detector.html">Detector</a>, bd:BitmapData, interval:int, iterscale:Number = 0.2, initialRect:Rectangle = null)</div>
<div class="summaryTableDescription">
   Constructs an ObjectTracker.</div>
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<a class="signatureLink" href="#start()">start</a>():void</div>
<div class="summaryTableDescription">
   starts internal timer.</div>
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<td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol">
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<a class="signatureLink" href="#stop()">stop</a>():void</div>
<div class="summaryTableDescription">
   stop internal timer, any current detection completes, but next won't be triggered.</div>
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<td class="detailHeaderName">detector</td><td class="detailHeaderType">property</td>
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<code>public var detector:<a href="../detector/Detector.html">Detector</a></code><p>
   Detector to use to find objects
   </p></div>
<a name="foundRect"></a>
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<td class="detailHeaderName">foundRect</td><td class="detailHeaderType">property</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public var foundRect:Rectangle</code><p>
   Rectangle where the last object was found
   </p></div>
<a name="constructorDetail"></a>
<div class="detailSectionHeader">Constructor detail</div>
<a name="ObjectTracker()"></a>
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<td class="detailHeaderName">ObjectTracker</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">constructor</td>
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<code>public function ObjectTracker(d:<a href="Detector.html">Detector</a>, bd:BitmapData, interval:int, iterscale:Number = 0.2, initialRect:Rectangle = null)</code><p>
   Constructs an ObjectTracker. 
   </p><span class="label">Parameters</span>
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<td width="20px"></td><td><code><span class="label">d</span>:<a href="Detector.html">Detector</a></code> &mdash;  detector to use
   </td>
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<td class="paramSpacer">&nbsp;</td>
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<td width="20px"></td><td><code><span class="label">bd</span>:BitmapData</code> &mdash;  bitmap data to monitor
   </td>
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<td class="paramSpacer">&nbsp;</td>
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<td width="20px"></td><td><code><span class="label">interval</span>:int</code> &mdash;  time in ms between detections
   </td>
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<td class="paramSpacer">&nbsp;</td>
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<td width="20px"></td><td><code><span class="label">iterscale</span>:Number</code> (default = <code>0.2</code>)<code></code> &mdash; factor to scale up/down search window between detections
   </td>
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<td class="paramSpacer">&nbsp;</td>
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<td width="20px"></td><td><code><span class="label">initialRect</span>:Rectangle</code> (default = <code>null</code>)<code></code> &mdash; where to look.
   </td>
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<span class="label">Throws</span>
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<td width="20"></td><td><code></code> &mdash; if iterscale is not between 0 and 1.
   </td>
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<a name="start()"></a>
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<td class="detailHeaderName">start</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td>
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<code>public function start():void</code><p>
   starts internal timer.  track will happen after interval.
   </p></div>
<a name="stop()"></a>
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<td class="detailHeaderName">stop</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public function stop():void</code><p>
   stop internal timer, any current detection completes, but next won't be triggered.
   </p></div>
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